Ring binder



FIG. 1 is a perspective view of an embodiment of the ring binderaccording to the present invention with rings closed;

FIG. 2 is a perspective view of a ring binder as in FIG. 1 with ringsopen;

FIG. 3 is a side elevational view of FIG. 1;

FIG. 4 is a top plan view of FIG. 1;

FIG. 5 is an end elevational view of FIG. 1;

FIG. 6 is a side elevational view of the side not shown in FIG. 3;

FIG. 7 is a bottom plan view; and,

FIG. 8 is an end elevational view of the end not shown in FIG. 5.

The ornamental design of a ring binder, as shown and described.